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Fungsi Kuadrat

Authored by syafari alfaris

Mathematics

9th Grade

Used 13+ times

Fungsi Kuadrat
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10 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 10 pts

Diketahui fungsi f(x) = -2x2 + 5x - 9, Bayangan dari x = -4 adalah ....

f(-4) = -61

f (-4) = 3

f (-4) = 21

f(-4) = 61

2.

MULTIPLE CHOICE QUESTION

10 mins • 10 pts

Diketahui fungsi f(x) = – 2x2 – 3x – 6, tentukan nilai x sehingga f(x) = –15 !

3.

MULTIPLE CHOICE QUESTION

10 mins • 10 pts

Pembuat nol dari fungsi f(x) = x2 + 6x - 7 adalah ....

x = 1 dan x = -7

x = -1 dan x = 7

x = 1 dan x = 7

x = -1 dan x = -7

4.

MULTIPLE CHOICE QUESTION

10 mins • 10 pts

Media Image

Bentuk fungsi kuadrat berdasarkan grafik berikut adalah ....

y = -x2 + 2x + 3

y = -x2 -2x + 3

y = x2 + 2x + 3

y = x2 -2x - 3

5.

MULTIPLE CHOICE QUESTION

10 mins • 10 pts

Sketsa grafik dari fungsi y = x2 - 4x adalah ....

Media Image
Media Image
Media Image
Media Image

6.

MULTIPLE CHOICE QUESTION

10 mins • 10 pts

Diketahui fungsi f(x) = -6x2 + 24x - 19

Nilai optimum dan jenis nilai optimum dari fungsi tersebut adalah ....

yp = 5 dan Maksimum

yp = -5 dan Minimum

yp = 43 dan Maksimum

yp = -43 dan Minimum

7.

MULTIPLE CHOICE QUESTION

10 mins • 10 pts

Diketahui fungsi f(x) = 2x2 - 6x + 15

Titik puncak dari fungsi tersebut adalah ....

(3 , -10,5)

(-3 , -10,5)

(3 , 10,5)

(-3 , 10,5)

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